Telephone acoustic coupler base



FIG. 1 is a top and side perspective view from above of a telephone acoustic coupler base showing my new design, with a telephone handset being shown in broken lines for operative environmental association purposes only;

FIG. 2 is a right side elevational view thereof, the left hand side elevational view being identical;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a plan view thereof; and

FIG. 6 is a bottom view thereof. 

The ornamental design for a telephone acoustic coupler base, as shown and described. 